30880305 has 32 divisors (see below), whose sum is σ = 55843200. Its totient is φ = 16186176.

The previous prime is 30880303. The next prime is 30880319. The reversal of 30880305 is 50308803.

It is not a de Polignac number, because 30880305 - 2¹ = 30880303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30880303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6027 + ... + 9903.

It is an arithmetic number, because the mean of its divisors is an integer number (1745100).

Almost surely, 2^30880305 is an apocalyptic number.

It is an amenable number.

30880305 is a deficient number, since it is larger than the sum of its proper divisors (24962895).

30880305 is a wasteful number, since it uses less digits than its factorization.

30880305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950 (or 3944 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 30880305 is about 5557.0050386877. The cubic root of 30880305 is about 313.7332345554.

The spelling of 30880305 in words is "thirty million, eight hundred eighty thousand, three hundred five".